Home / 28,963,993.03-39,970,336.62-15,912,097.45

Finding the Fourth Proportional to 28,963,993.03, 39,970,336.62 and 15,912,097.45

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Solution

The fourth proportional to 28,963,993.03, 39,970,336.62 and 15,912,097.45 is: 21,958,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963,993.03 : 39,970,336.62 = 15,912,097.45 : x
  2. Step 2: Convert to fraction form
    28,963,993.03/39,970,336.62 = 15,912,097.45/x
  3. Step 3: Cross multiply
    28,963,993.03x = 39,970,336.62 × 15,912,097.45
  4. Step 4: Simplify right side
    28,963,993.03x = 636,011,891,406,743.50
  5. Step 5: Solve for x
    x = 636,011,891,406,743.50/28,963,993.03
  6. Step 6: Final answer
    x = 21,958,708.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.